In Plib through 1.85, there is an integer overflow vulnerability that could result in arbitrary code execution. The vulnerability is found in ssgLoadTGA() function in src/ssg/ssgLoadTGA.cxx file.
lists.debian.org/debian-lts-announce/2021/10/msg00000.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7HT3BKNAXLDY246UPUNRSBPGGVANRDOU/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OTVSAKNCEYVMVAURQSB5GNA2MWL4XDPH/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U5SML6W6Z2B6THT76VPUKUFYQJABODFU/
sourceforge.net/p/plib/bugs/55/